Home / 849,867.70-1,274,801.55-471,954.10

Finding the Fourth Proportional to 849,867.70, 1,274,801.55 and 471,954.10

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Solution

The fourth proportional to 849,867.70, 1,274,801.55 and 471,954.10 is: 707,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,867.70 : 1,274,801.55 = 471,954.10 : x
  2. Step 2: Convert to fraction form
    849,867.70/1,274,801.55 = 471,954.10/x
  3. Step 3: Cross multiply
    849,867.70x = 1,274,801.55 × 471,954.10
  4. Step 4: Simplify right side
    849,867.70x = 601,647,818,208.86
  5. Step 5: Solve for x
    x = 601,647,818,208.86/849,867.70
  6. Step 6: Final answer
    x = 707,931.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.